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Live Cooler
Your AC dies on a muggy 95-degree Boston summer day. We respond quickly, include video diagnosis, and show you what is wrong before you pay.
Repair First. Transparent Always.
Live Cooler. Breathe Better. Heat Smarter.
Licensed & insured. 24-hour response. Upfront pricing. AC repair, furnace replacement, heat pumps, and air quality solutions across Greater Boston.
5.0 Rated
Emergency service available
"Fast response, showed me the actual problem I manage a building in Back Bay. Heat went out on a Saturday morning. Called 617 HVAC and they showed up the same day. Tech found a cracked heat exchanger."
Our Service Offerings
Cooling, air quality, and heating support for Greater Boston homes that need fast answers, clear diagnostics, and practical next steps.
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Breathe Better
Spring pollen is everywhere and your allergies will not quit. We inspect, test your air quality, and show you exactly what needs to be made right.
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Heat Smarter
New England winters are hard on heating systems. We handle furnace repair, replacement, and heat pump installation that works in Boston cold.
24-Hour
Response guarantee
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3-Year
Labor warranty
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$0
Surprise charges - ever
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100%
Licensed, insured & EPA certified
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About 617 HVAC
Built by K in Cambridge and Charles in Boston - 55+ yearsof HVAC and building systems expertise serving Greater Boston and surrounding Massachusetts communities.
Local.Transparent.Honest.
Why 617 HVAC
Why Choose 617 HVAC?
Most Boston HVAC contractors recommend a $25,000 system replacement when a $1,500 repair would work. They hide their prices. They make vague explanations and hope you do not ask questions.
Here is what 617 HVAC does differently. We show you the problem on video. You get a written price before we touch anything. We tell you honestly, based on your home and your system, whether repair, replacement, or maintenance makes sense.
No pressure. No guessing.
That is why we are Boston's fastest growing HVAC company.
Repair-first mentality.
We don't push replacements when a precision repair will solve the issue. Our technicians are measured by technical excellence, clear documentation, and honest recommendations.
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Services That Matter
Services That Matter - Boston Area
We serve Cambridge, Arlington, Watertown, Waltham, Newton, Brookline, Dedham, Natick, Needham, Norwood, Westwood, West Roxbury, Somerville, Boston, and surrounding communities within 30 miles of Boston. 24-hour response on all emergency calls.
AC Repair
Professional air conditioning repair with video diagnosis, 24-hour response, and upfront pricing in the Boston area.
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AC Installation
Engineered AC installation using Manual J, D & S analysis. Daikin-certified. Built for 12-15 year system life with written pricing before installation begins. Serving Greater Boston.
Learn moreHeating Repair
Furnace, boiler, heat pump, and ductless heating repair across Massachusetts with full diagnostics, written pricing, and honest repair-versus-replace guidance.
Learn moreHeating Installation
Heat pump, furnace, and boiler installation in Greater Boston. Mass Save certified. Up to $8,500 in rebates. Written price before installation begins. 617 HVAC.
Learn moreHeat Pump Installation
Heat pump installation in Greater Boston. Mass Save certified — rebates up to $8,500. Cold-climate systems using R-32 and R-454B refrigerants. LiDAR assessment. Written investment before installation. 617 HVAC.
Learn moreMini Split Repair
Mini split and ductless system repair in Greater Boston. Proprietary refrigerant leak detection, video proof diagnosis, and written flat-rate repair quote before work begins.
Learn moreEmergency response
AC or Heating Emergency? We Respond Within 24 Hours.
24-hour response guarantee. Licensed, insured & EPA certified.
Maintenance Plans
Avoid Emergency Calls. Get on a Maintenance Plan.
Maintenance plans reduce emergency calls by up to 75%. Our customers on plans never get caught off guard. Year 1 plan cost is credited toward your next system purchase.
Essential
$60/mo
2 seasonal tune-up visits per year
- ✓Priority dispatch
- ✓Extended warranty support
- ✓Year 1 plan cost credited toward next system purchase
Most Popular
Vital
$100/mo
4 quarterly maintenance visits per year
- ✓Priority emergency service
- ✓Parts discount
- ✓Year 1 plan cost credited toward next system purchase
Optimal
$150/mo
6 every-other-month service visits per year
- ✓Emergency same-day dispatch
- ✓Full parts warranty support
- ✓Year 1 plan cost credited toward next system purchase
Latest From Our Blog
Live Cooler
Stay cool in Arlington and surrounding areas - emergency AC repair, installations, right-sizing, and seasonal maintenance to prevent breakdowns.
View All ->Breathe Better
Your air quality matters in Cambridge and Greater Boston - testing, ductwork cleaning, filtration systems, humidity control, and fresh air ventilation.
View All ->Heat Smarter
Beat Boston's brutal winters - furnace repair and replacement, heat pump installation that works in Massachusetts cold, and heating cost optimization.
View All ->The Standard
How to hire the right contractor, evaluate quotes, maintain your system, understand warranties, and make informed repair vs. replace decisions.
View All ->Client Resources
Manage your account, schedule service, look up warranty information, navigate rebates and tax credits, and access your system documentation.
View All ->We Service Boston & 30-Mile Radius
✓Cambridge
✓Arlington
✓Watertown
✓Waltham
✓Newton
✓Brookline
✓Dedham
✓Natick
✓Needham
✓Norwood
✓Westwood
✓West Roxbury
✓Somerville
✓Boston
Ready for Total Climate Control?
Experience the 617 Standard of technical mastery and refined hospitality. Our team is standing by to restore your comfort.